Patents by Inventor Jessica Hain

Jessica Hain has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Process for continuous emulsion polymerization
    Patent number: 8822572
    Abstract: A process for aqueous, free-radically initiated, continuous emulsion polymerization of A) at least one vinyl ester and optionally at least one (meth)acrylic ester, B) ethylene, and C) 0 to 10% by weight of one or more ethylenically unsaturated, functionalized comonomers, in the presence of 3.0 to 12.5% by weight of one or more emulsifiers, where at least 50% by weight are nonionic emulsifiers, and 0 to 10% by weight of one or more protective colloids, in a stirred tank cascade with at least two pressure reactors connected in series and with at least one low-pressure reactor connected downstream.
    Type: Grant
    Filed: July 7, 2011
    Date of Patent: September 2, 2014
    Assignee: Wacker Chemie AG
    Inventors: Jessica Hain, Udo Kotschi, Hans-Peter Weitzel
  • Process for Continuous Emulsion Polymerization
    Publication number: 20130102702
    Abstract: A process for aqueous, free-radically initiated, continuous emulsion polymerization of A) at least one vinyl ester and optionally at least one (meth)acrylic ester, B) ethylene, and C) 0 to 10% by weight of one or more ethylenically unsaturated, functionalized comonomers, in the presence of 3.0 to 12.5% by weight of one or more emulsifiers, where at least 50% by weight are nonionic emulsifiers, and 0 to 10% by weight of one or more protective colloids, in a stirred tank cascade with at least two pressure reactors connected in series and with at least one low-pressure reactor connected downstream.
    Type: Application
    Filed: July 7, 2011
    Publication date: April 25, 2013
    Applicant: Wacker Chemie AG
    Inventors: Jessica Hain, Udo Kotschi, Hans-Peter Weitzel